[ Gerund vs Infinitive ]
They would not hesitate _____ the police at the first sign of trouble.
A. to call
B. calling
C. call

Random Topics:
Adjective SuffixesDaily Routines & TensesPast Progressive TensePast Simple, Past Continuous, Past PerfectThe Past SimpleTenses and Word FormationGrammar: Have toModal Probability3rd Person SingularVerbs & Verb TensesOther quiz:
Grammar › ViewChoose the article you use when the word begins with a vowel sound:
A. An
B. A
C. Zero
D. The
Grammar › View
Give one word for the following :
The equipment used to send or convey signal is a __________
A. Transformer
B. Transistor
C. Transmitter
D. All of those
Adverbial Clauses › View______ his motorbike, he found a puncture on the back tire.
A. After he has washed
B. While he is washing
C. As soon as he is washing
D. When he was washing
Phrases and Tenses › View
Identify the informal writing in the following options:
A. I am writing to inform you about the meeting.
B. Hey, what’s up?
C. Please find the attached document.
D. I would like to request your presence.
